Four-way T-shaped respiratory valve



FIG. 1 is a perspective view of a four way T-shaped respiratory valve showing our new design;

FIG. 2 is a left side elevational view thereof, the right side elevational view being a mirror image of that shown;

FIG. 3 is a top plan view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a rear elevational view thereof;

FIG. 7 is a top plan view of a second embodiment of the four way T-shaped respiratory valve, wherein the main body of the valve is clear and the internal flow paths are visible, the outside of the valve being otherwise the same as the valve of FIGS. 1 through 6; and,

FIG. 8 is a rear elevational view of FIG. 7. 

The ornamental design for a four-way T-shaped respiratory valve, as shown and described. 